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The Layer 2 Handoff Scheme for Mobile IP over IEEE 802.11 Wireless LAN

机译:IEEE 802.11无线局域网上的移动IP的第2层切换方案

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摘要

When Mobile Node (MN) moves into a new network, the Mobile IP which is the one of network protocols describing procedure of layer 3 (the network layer of OSI reference model) handoff with assistance of Foreign Agent (FA). However, the time required in handoff procedure may exceed critical value of the application program which is sensitive in time delay. It is because of the complex signaling on layer 3. Therefore, the scheme minimizes time delay required in handoff procedure should be considered. In this study, we present the scheme that achieves fast handoff processed on layer 2 for Mobile IPv4 of wireless LAN circumstances. In this scheme, the registration message of the Mobile IPv4 is included in IE (Information Elements) of 802.11 (wireless LAN) frames is processed on the layer 2 connections. According to this scheme, we obtained minimized registration delay time, because the Mobile IPv4's handoff is achieved at the same time of handoff of 802.11 wireless LAN.
机译:当移动节点(MN)移入新网络时,移动IP是描述第3层(OSI参考模型的网络层)的过程在外部代理(FA)协助下进行的网络协议之一。但是,切换过程中所需的时间可能会超过应用程序的临界值,该临界值对时间延迟很敏感。这是由于第3层上的信令复杂。因此,该方案应最小化切换过程中所需的时间延迟。在这项研究中,我们提出了在无线局域网情况下的移动IPv4的第2层上实现快速切换处理的方案。在该方案中,移动IPv4的注册消息包含在第2层连接上处理的802.11(无线LAN)帧的IE(信息元素)中。根据此方案,我们获得了最小的注册延迟时间,因为移动IPv4的切换是在802.11无线LAN切换的同时完成的。

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